Blast burner



W. B. ENSIGN ET AL BLAST BURNER.

July 1 4, W3];

Filed Sept. 22, 1928 WITNESSES ATTORN EY 'PATENT oFFicE worn a. v REYNOLDS, or new YORK, n. Y., assrenons Y A eonronmron or new YORK lamina B. nnsren AND s me, or new YORK, n.

BLAST BUB-NEE r 22, 1928. Serial No. 307,636.

Application filed $epte1nbe aine will strike th e shoulder ll and be deles into the tance iroin he mm This invention relates to blast burners wherein gas is us I atue e obiect being flected substantially at right an to rovide an improved construction wherein opening i w ei-eby the v "ous sinall flanies the flame is maintained lighted without burnfrom the gas passing through the passage- 5 ing out any par he urner. ways 'll continua ly n' c the gas pass Another object of the invention is to proing through the opening t it n1 vide a burner 0t t ie blast type, wherein the course, be understood that these small flames flarne may perati g u der high or low will function, or i-atl er, will burn, even ressu a b constanl ain ained lightthough the Ill: 'n flain is buin g in the ed without in uring a of the burner. proper manner, that is, these small flames 60 In the accomp ying rawingS )roduce very 'ttle heat an the annular r udinal vertic lsectional flange 12 will not become heated to any pburner isclosing a bodiinent prceiahleextent as it is space a short disr i 'n e and as the heat view of the invention, pa t of a supply pipe being 15 shown in nnection therewit from the flames produced by the gas passing Figure 2 is a sectional view through Figthrough the passageways ne ligible ure 1 on line 2 2. Also, the ange 9 forming e discharge Her tot'ore i h se of blast burners opening 5 ill not become heate as the gas e is not ignited at this point. n this way ie ue is paratively cool rovided for keeping o entire burner structi flame i nite u these means pio uce d remendous heat near 0 t of the burner, an I consequently in me.

ie burner became more What is claimed is 1. A blast burner, comprising a b a blast burner nvention o eratin n the usual manner of burners 0- end pr tendi flanges presentin ning cen the er flange having (1' this type is presented, but provided with speg l i maintaining theigas ignite trally of each flange,

o the burner. w a e structure 0 his kind there (Y sa of tubular term plura y 0 Sm l d t direct gas against the inner su o n e having also a 1H supp having a internally-threaded section in o tione 0 which a supply pipe is s e shown in t the outer an Figure The gas from supply pipe is 2. A blast burner forming ahollow body discharged 'nto the open s iace t a chamber having atone end two flanges spaced apart as t a ence 1 pass t the burner nozz e Wit a lam therebetween, he inner 5 and out tl rough the opening 6. As the flange having an opening s le than th as is moving at a nparatively high rate outer flan e inner fl nge being also of speed quite often 1 is ot ignited unti tornied w lurality as passageway 4 it is bey he oute e oi the burner. surroun ng said nner p g way nd p0- 9t By reason h's ver 1' t the flame some sitione i ect gas thi oug i said hainber times goes or t, and in oid to maintain the and a ains said outer flan aid ga being same lighte plurality t s all passage adaptedt e ected later lly throng t na s 8 are s p lied in the an ular flange opening 1' rni d c ntrally of h outer an e,

' forming the burner openi g o lhese pas whereby hen the gas tr said passage sageway c arge into n annular c iam ways is 1,, a plurality li ht ng flames ber 0 d st ke agains th shoul er will be piovic ior gas 5 d ectly lo their pressure a through tl e cen (l openin 1' and inner they pas g e e.

tained l and th opening, a chamscharge side of the em'ng, smd chamber e burner 0 e rough said 'ng as lighting 1e gas passing through said through the inner 0 with the w urner being senting a by-pass around said so as to discharge the Walls form said small jets 0 flames for the urner openlng. 

